and last night, we found out he doesn't have a $5 trillion tax cut, and i guess he outsourced that to china or something. >> you know, the vice presidential candidate traditionally plays the role of the attack dog. do you think that's what joe biden was doing right there? >> yeah. and joe biden sort of louse an entree into the obama campaign into a group they're most concerned about, which is blue-collar workers, reagan democrats, people in the industrial midwest. so i think biden sort of does a good job at outreaching to those types of people. it should be said, in the past couple of days, though, obama himself has not been too hesitant in criticizing mitt romney aside from those 90 minutes when they were on the debate stage together. but i think obama is also kind of playing the role of the attack dog over the past few days, at least. >> erin, congressman ryan has a full schedule of campaign events in the days proceeding the event. vice president biden, as you have been saying, has been hunkering down to prepare. what does that say about the confidence level in the final days before